
Will NOT work with OE or any other brand piston, only with Wiseco-branded pistons.
WISECO REPLACEMENT RING SET.
* YB type sets consist of Top Ring and Oil Ring.
* Top Ring: Stainless steel, gas nitrided barrel faced.
* No second ring.
* Oil Ring: 3-piece oil assembly; Stainless steel flex-vent spacer, nitrided rails.
* The ring type and bore size (in mm) is stamped on the dome of the piston.
* Refer to this information to order the correct replacement rings.
* Ring styles cannot be interchanged.
* Please note: Only WISECO replacement ring sets may be used on WISECO pistons.
* YB type sets consist of Top Ring and Oil Ring.
* Top Ring: Stainless steel, gas nitrided barrel faced.
* No second ring.
* Oil Ring: 3-piece oil assembly; Stainless steel flex-vent spacer, nitrided rails.
* The ring type and bore size (in mm) is stamped on the dome of the piston.
* Refer to this information to order the correct replacement rings.
* Ring styles cannot be interchanged.
* Please note: Only WISECO replacement ring sets may be used on WISECO pistons.
Fits: 2004-17 Honda CRF250X
2004-09 Honda CRF250R
2014-15 Husqvarna FC250
2014-22 Husqvarna FE250
2020 Kawasaki KX250
MUST BE USING A WISECO PISTON OR WILL WORK PROPERLY